Elizabeth Pisani is the director of Ternyata Ltd., a public health consultancy based in London, UK. She has been a journalist and is an epidemiologist best known for her work on HIV/AIDS, in particular for her controversial book The Wisdom of Whores: Bureaucrats, Brothels and the Business of AIDS, and her TED Talk "Sex, drugs, and HIV - let's get rational" Her work explores the interaction between science, politics and culture, and has focused on Indonesia.